Supplemental feature module for a telephone handset



FIG. 1 is a isometric view showing our new design for a supplemental feature module for a telephone handset;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom elevational view thereof.

FIG. 1 and 2 show, in broken lines, a telephone handset and battery exploded from the claimed design. The broken lines being for illustrative purposes only and forming no part of the claimed design.

The portions of the article not shown in the drawing views are not considered to be a part of the claimed design. 

The ornamental design for the supplemental feature module for a telephone handset, as shown and described. 